Re: Logs and how to read them

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Am Mi, den 21.04.2004 schrieb Rick Stevens um 22:56:

> > Apr 21 12:29:03 mail sendmail[1214]: MAA01214: from=<>, size=0, class=0, 
> > pri=0, nrcpts=0, proto=SMTP, relay=fw1-81-80-126-2.bplc.fr [81.80.126.2]
> 
> That's also a relay attempt.  Look for another entry with
> "sendmail[1214]" in it to see the delivery attempt.  BTW, that's one of
> the classic spammer ploys...using "<>" as the sending address.  Your
> sendmail.cf should catch that and not relay it.

That is wrong. Each MTA has to accept empty mail sender address <> (see
i.e. http://www.rfc-ignorant.org/policy-dsn.php). From above pasted
maillog entry it is not visible that it is a relay attempt. I suspect it
to be an inbound mail (attempt). But it is not complete, it's missing
the second part.

Alexander


-- 
Alexander Dalloz | Enger, Germany | GPG key 1024D/ED695653 1999-07-13
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